Bin Shen, Huai Xiong, Xu Zhang, Zhiya Chen, Xiangyang Pang, Yajing Guo, Chengjie Liang, Haiyuan Li. Post-treatment of 351 nm SiO2 antireflective coatings for high power laser systems prepared by the sol-gel method[J]. Chinese Optics Letters, 2022, 20(1): 011601
- Chinese Optics Letters
- Vol. 20, Issue 1, 011601 (2022)
Fig. 1. Schematic diagram showing post-treatment processes of 3ω AR.
Fig. 2. Optical performance of 3ω AR coatings at different experimental stages: (a) sample 1, (b) sample 2, (c) sample 3, (d) sample 4.
Fig. 3. Water contact angles of the 3ω AR coatings.
Fig. 4. Defect positions of all samples. (a)–(d) samples 1–4 before 85°C/85 RH treatment, (e)–(h) samples 1–4 after 85°C/85 RH treatment.
Fig. 5. Transmittance spectra before and after contamination: (a) sample 1, (b) sample 2, (c) sample 3, (d) sample 4.
Fig. 6. Transmission loss of samples at 351 nm.
Fig. 7. LIDT (355 nm, 6.8 ns) results of the samples.
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Table 1. Peak Transmittance and Wavelength of 3ω AR Coatings at Different Experimental Stages
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